Finding the Third Proportional to 54,762.75 and 82,875.09

Step by Step Solution

1. Step 1: Write the proportion equation
   54,762.75 : 82,875.09 = 82,875.09 : x
2. Step 2: Convert to fraction form
   54,762.75/82,875.09 = 82,875.09/x
3. Step 3: Cross multiply
   54,762.75x = 82,875.09 × 82,875.09
4. Step 4: Simplify right side
   54,762.75x = 6,868,281,164.07
5. Step 5: Solve for x
   x = 6,868,281,164.07/54,762.75
6. Step 6: Final answer
   x = 125,418.85